From patchwork Fri Mar 11 14:44:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 12778210 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 889F2C433EF for ; Fri, 11 Mar 2022 15:08:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=q1R0z08AQFGuVpUXPjm2Q/2dvFwRaoNRKnbZbKBaLjM=; b=V7tnjIdsxPN0aJ UxufE0oooeyy0ThtFH79DULm94scAolFbatEkgwYFBwMElmOz9bP7jnQjg5eTluN4lfeIbOk5vR4O uJgY1aLmC+nrV858M9lsG55ga4PGMqbmkU8mknqD0Xg4HLvL/YSV53RF6stu/AFxv5rQV5hMqH7Qz NM5o4HJeGXzsIchR3rdtc0k1x2M9WC83MhIzUvkmqldqdErp4Jsj3Msb7fBxAfRO/f/hi7MGHkBfF jeFwMnMpoj+Pur0TzXv0Iy2qBOtLvHwHCslhNZQXkrwpmHU6FGoqbsYMKr5ktOMgqm02QTVeLt35p hXyk3XXZqpNpzao6Gwaw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nSgs1-00H1uu-39; Fri, 11 Mar 2022 15:07:57 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nSgWt-00GstZ-E8 for linux-mediatek@lists.infradead.org; Fri, 11 Mar 2022 14:46:08 +0000 X-UUID: a2cd6dc2d0f54603aa936e88f5c1a106-20220311 X-UUID: a2cd6dc2d0f54603aa936e88f5c1a106-20220311 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1083592268; Fri, 11 Mar 2022 07:46:04 -0700 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 11 Mar 2022 06:46:03 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 11 Mar 2022 22:45:55 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 11 Mar 2022 22:45:55 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , Evelyn Tsai , Bo Jiao , linux-mediatek , Peter Chiu , Shayne Chen Subject: [PATCH v2 3/3] mt76: mt7915: fix phy cap in mt7915_set_stream_he_txbf_caps() Date: Fri, 11 Mar 2022 22:44:27 +0800 Message-ID: <20220311144427.16018-3-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220311144427.16018-1-shayne.chen@mediatek.com> References: <20220311144427.16018-1-shayne.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220311_064607_536019_9CDB13F4 X-CRM114-Status: GOOD ( 13.23 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Peter Chiu This patch fixes performance issue of beamforming tx on bandwidth 160MHz. Fixes: 99ad32a4ca3a ("mt76: mt7915: add support for MT7986") Signed-off-by: Peter Chiu Signed-off-by: Shayne Chen --- .../net/wireless/mediatek/mt76/mt7915/init.c | 25 +++++++++++++++---- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 553d1f5..94a5ea6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -727,11 +727,18 @@ void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy) } static void -mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap, +mt7915_set_stream_he_txbf_caps(struct mt7915_dev *dev, + struct ieee80211_sta_he_cap *he_cap, int vif, int nss) { struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; - u8 c; + u8 c, nss_160; + + /* Can do 1/2 of NSS streams in 160Mhz mode for mt7915 */ + if (is_mt7915(&dev->mt76) && !dev->dbdc_support) + nss_160 = nss / 2; + else + nss_160 = nss; #ifdef CONFIG_MAC80211_MESH if (vif == NL80211_IFTYPE_MESH_POINT) @@ -785,13 +792,21 @@ mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap, /* num_snd_dim * for mt7915, max supported nss is 2 for bw > 80MHz */ - c = (nss - 1) | - IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2; + c = FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK, + nss - 1) | + FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK, + nss_160 - 1); elem->phy_cap_info[5] |= c; c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; elem->phy_cap_info[6] |= c; + + if (!is_mt7915(&dev->mt76)) { + c = IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ | + IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ; + elem->phy_cap_info[7] |= c; + } } static void @@ -953,7 +968,7 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map_160); he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map_160); - mt7915_set_stream_he_txbf_caps(he_cap, i, nss); + mt7915_set_stream_he_txbf_caps(dev, he_cap, i, nss); memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); if (he_cap_elem->phy_cap_info[6] &